Info
Synonymised names
Arbacia (Echinocidaris) nigra (Molina, 1782) · unaccepted (transferred to Tetrapygus)
Arbacia (Tetrapygus) nigra (Molina, 1782) · unaccepted (transferred to Tetrapygus)
Echinocidaris nigra (Molina, 1782) · unaccepted (transferred to Tetrapygus)
Echinus niger Molina, 1782 · unaccepted > superseded combination (transferred to Arbacia by Agassiz...)
Echinus purpurescens Valenciennes, 1846 · unaccepted (subjective junior synonym)
Pygomma (Tetrapygus) nigrum (Molina, 1782) · unaccepted (transferred to Tetrapygus)
Tetrapygus niger (Molina, 1782) · unaccepted > superseded combination (parent genus considered a synonym...)